Chopin - Étude, Op. 10 No. 5 (Rosenthal, 1931 Rec No. 2)

I could've differentiated this recording from the other one from the same year by using a different date, buuut they were both recorded on March the 3rd, so yeah.
Recording of Moriz Rosenthal from 1931 (Done after the other one of this work from the same year, I think)
1929 Recording: • Chopin - Étude, Op. 10...
1930 Recording: • Chopin - Étude, Op. 10...
1931 Recording No. 1: • Chopin - Étude, Op. 10...
1935 Recording: • Chopin - Étude, Op. 10...

[@Hrupuhto]

the octaves in the end hit me like a train

[@therealtruetwelfth798]

His pupil Charles Rosen said “it makes my hands hurt just to think about it”

[@tutas7373]

You sure he didnt play a glissando? Because all those notes are black keys